Barcelona striker Luis Suarez believes Kolo Toure is an excellent addition to the Celtic squad following his recent move to the Scottish champions.
The Uruguay international insists the experience of Toure will be vital for Celtic should they qualify for the Champions League group stage this season.
Suarez is not expected to face his former Liverpool team-mate in the International Champions Cup on Saturday, as Celtic want to ease Toure into action with an appearance in the Champions League qualifier against Astana on Wednesday.
Celtic will go into the second-leg if the third qualifying round with a slight advantage following a 1-1 draw in Kazakhstan in midweek, thanks to a late strike from Leigh Griffiths.
But Suarez will encounter former Liverpool boss Brendan Rodgers at the Aviva Stadium in Dublin, and he believes his decision to secure the former Arsenal and Manchester City defender is inspired.
"He knows what it is like to play in the big games, in the big stadiums, and if Celtic can progress into the Champions League, he's going to be a very important player," Suarez said.